Magnetic tape cassette with reel-lock mechanism

Details Magnetic tape cassette with reel-lock mechanism Magnetic tape cassette with reel-lock mechanism

1985-07-18

1987-10-27

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

In container

242198, 360 94, G11B 1532, G03B 104

Patent

active

047033843

ABSTRACT:
A tape cassette is provided with a slider serving as a reel lock releasing element and which is movable in the front-to-rear direction near the rear of the cassette, along a path defined by a guide. A guide groove is formed in the underside of the cassette in alignment with the guide for the slider. The slider has a downward projection extending into the guide groove through an elongated opening in the guide. The downward projection is abutted by a projection built into the playback unit, and which is received in the guide groove for guiding the cassette during its insertion into the playback unit or VTR. Therefore, insertion of the cassette causes the cassette guiding projection to displace the slider for releasing the tape reels.

REFERENCES:
patent: 4022401 (1977-05-01), Kishi
patent: 4106724 (1978-08-01), Higashida
patent: 4288048 (1981-09-01), Sieben
patent: 4320422 (1982-03-01), Rinkleib
patent: 4399481 (1983-08-01), Loranger et al.
patent: 4447020 (1984-05-01), Toi et al.
patent: 4512534 (1985-04-01), Coy, Jr. et al.
patent: 4513929 (1985-04-01), Oishi et al.
patent: 4553717 (1985-11-01), Takagi
patent: 4572461 (1986-02-01), Horikawa et al.

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